ABP CLI Commands

Command-line workflow for the ABP Framework abp CLI — creating/scaffolding solutions, updating packages, installing client libs, generating proxies, adding packages/modules, bundling Blazor WASM, logging into abp.io, and switching to local ABP source. USE FOR: running `abp new`, `abp update`, `abp install-libs`, `abp generate-proxy`, `abp add-package`, `abp add-module`, `abp bundle`, `abp login`/`logout`, `abp switch-to-local`; choosing between the classic and ABP Studio CLIs; resolving the "Libs folder is missing" error. DO NOT USE FOR: upgrading an existing solution across a minor/major version and aligning package versions (use version-upgrade); using the CLI-created s…